2015 Samsung 4k TV as a Monitor Set Up Guide

shadowj

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Does it make a difference ifi rename the "Game Mode " to " PC " ??
Thank you
 

Mad Maxx

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I've had a 48JS9000 for a few months. Love everything about it except its stand. I've wanted to find a way to lower it to alleviate my neck strain from looking up constantly. This guy named Barnacules Nerdgasdm has a YT channel for all things related to computers. He can be odd and annoying, but this video has him replacing the stands on his 50" Samsungs with adjustable mounts. I bought one (Amazon.com: Universal TV Stand / Base + Mount for 32" - 60" Flat-Screen Televisions by Pro Signal: Electronics) and it works great. He used the mounts to raise his TVs, but I was able to drop mine to just about a half inch off the desk. Makes a big difference in my viewing comfort.



The video for anyone interested:
 

Lateralus

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Dude, that's awesome. I might have to pick one up. I wouldn't mind my JS9000 being a tad lower, either. I've mostly gotten used to the height, but I think it would feel more comfortable if it were just a bit lower.
 

Seyba

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Awesome thread. I was eyeing the JU7500, since it is current/last generation's recommended TV with low input lag. I did not know that PC mode and game mode had different input lag. I was considering purchasing the TV, but now it seems that I would have to switch between PC mode and Game mode if I wanted to do one or the other. I really don't want to have to switch between the modes each time. PC usage and gaming are one and the same to me. However, it seems you have to switch: PC mode has 4:4:4 chroma so text is legible, game mode has acceptable input lag. Do I have it right?

Thanks.
 

shadowj

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Yes, you're right
I use always Game Mode, text looks almost the same for both, PC and Game Mode.
 

Seyba

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Thanks for the hasty reply.

Is there a TV that can do low input lag, around 20ms or so, with 4:4:4 and have it at 60hz (and is still for sale)? Does such a thing exist? It sounds like PC mode has pretty bad input lag, and since I play first person shooters quite a bit I would notice that.

My current TV is over a decade old, it is just begging to be replaced.
 

Lateralus

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Seyba, switching modes isn't required in most scenarios. I'm using Game mode right now for its low lag and like shadowj said, text looks great so I have no reason to switch to PC mode. You do not have to switch to 4:4:4 so that text is legible. All it does is improve the quality of red text, which is not perfectly sharp in Game mode. How often do you read red text? For me it's not anywhere close to being often enough to switch modes.
 

Seyba

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you mean 4k tv?
Yeah, although I'd be okay with 1080p.

Seyba, switching modes isn't required in most scenarios. I'm using Game mode right now for its low lag and like shadowj said, text looks great so I have no reason to switch to PC mode. You do not have to switch to 4:4:4 so that text is legible. All it does is improve the quality of red text, which is not perfectly sharp in Game mode. How often do you read red text? For me it's not anywhere close to being often enough to switch modes.

No kidding? I admit, I do not understand it very much, but I was under the impression that 4:4:4 was mandatory. Is it really just red text and nothing else?
 

Mad Maxx

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To me, Game mode looks a lot brighter/harsher than PC mode. I don't like it for extended viewing. Of course, you can make adjustments in the Settings, but that kinda defeats the purpose.
 

Seyba

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Is the JU7500 going to be the best thing I can do at this time, then? Is there no question it would look better than my Sony XBR2 made, uh, ten years ago?
 

jamesrb

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I got the UN40JU7100 for PC/gaming. It came with firmeware 1422? Is it recommended to upgrade or not?
 

revenant

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Got an update.

I removed my r9 280x in favor of a GTX 970 so I can take advantage of HDMI 2.0. Drove me crazy I was spending $330 for this, but was told worth it. Purchased an HDMI 2.0 cable (6ft) from Amazon and got it setup today. Now running RGB Full at 60hz instead of 30hz. Is there a difference? HECK YES. The TV now definitely feels more like a monitor. The key types feel more responsive and moving a mouse has become super smooth. I couldn't stand that I felt half-retarded with mouse movement on 30hz, but now where I want/expect the mouse to go it goes.

In short, definitely recommend getting 60hz capable card and cable if using TV as workstation. It's pretty much a must.

Thanks for the help!

Yeah, I was stuck at 30hz because of a bad HDMI cable for a while and I was like wtf is this? Felt like I was stuck in the mud. The difference between 30 and 60hz is night and day. I would have been returning my display if it didn't do 60hz @ 4k. $330 well spent. :)
 

Lateralus

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I've had a 48JS9000 for a few months. Love everything about it except its stand. I've wanted to find a way to lower it to alleviate my neck strain from looking up constantly. This guy named Barnacules Nerdgasdm has a YT channel for all things related to computers. He can be odd and annoying, but this video has him replacing the stands on his 50" Samsungs with adjustable mounts. I bought one (Amazon.com: Universal TV Stand / Base + Mount for 32" - 60" Flat-Screen Televisions by Pro Signal: Electronics) and it works great. He used the mounts to raise his TVs, but I was able to drop mine to just about a half inch off the desk. Makes a big difference in my viewing comfort.



The video for anyone interested:


Got mine set up tonight - I really like it. Thanks for the suggestion and info!
 

jmandawg

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May 22, 2016
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Thanks for the guide. Does anyone elses TV disconnect and reconnect to windows when the power is turned off causing all windows to reset. Is there any way to prevent this. I want it to work like sleep mode on a regular monitor, or at least stay connected when turned off.

Thanks.
 

Mad Maxx

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Thanks for the guide. Does anyone elses TV disconnect and reconnect to windows when the power is turned off causing all windows to reset. Is there any way to prevent this. I want it to work like sleep mode on a regular monitor, or at least stay connected when turned off.

Thanks.
Here's a fix from the big Samsung 4K thread. It worked for me and a lot of others.

Not a firmware issue but a Windows one: https://support.microsoft.com/en-us/kb/2625567/

To fix. In Regedit, go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\COntrol\Graphics Drivers\Configuration

Find the entries that starts with SIMULATED and your monitor string. If you don't know which one, change all of them. Go to the first subfolder 00, and find the keys: PrimSurfSize.cx and change to hex "f00," and PrimSurfSize.cy hex value "870." That should change the default monitor size to 3840 x 2160 which will no longer resize and move your windows to the upper left corner.
 

jincuteguy

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So are these Samsung 4k TVs better than those 4k monitors or something? I thought TV is always bad for gaming on PC?
 

Seyba

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So are these Samsung 4k TVs better than those 4k monitors or something? I thought TV is always bad for gaming on PC?
TVs are better because of their advantage in size, and for the other things TVs offer. Monitors are going to have better input lag, frequency, and PC necessities. When it comes to TVs we try to find the best we can find, and this series Samsung is making has a lot more pros than cons. In PC mode, it has 4:4:4 (makes text and other things look better, is considered standard on monitors,) 60hz, and okay input lag. In Game mode, it only has 4:2:2, has 60hz, and very good input lag. One can only hope television manufacturers someday realize that PC usage from the couch and using a TV as a monitor is a market they want to appeal to.

I still wish someone would take a stab at my previous question, where I asked if the JU7500 or similar series are currently the best we can do at the time, compared to my decade-old XBR2.
 

jincuteguy

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TVs are better because of their advantage in size, and for the other things TVs offer. Monitors are going to have better input lag, frequency, and PC necessities. When it comes to TVs we try to find the best we can find, and this series Samsung is making has a lot more pros than cons. In PC mode, it has 4:4:4 (makes text and other things look better, is considered standard on monitors,) 60hz, and okay input lag. In Game mode, it only has 4:2:2, has 60hz, and very good input lag. One can only hope television manufacturers someday realize that PC usage from the couch and using a TV as a monitor is a market they want to appeal to.

I still wish someone would take a stab at my previous question, where I asked if the JU7500 or similar series are currently the best we can do at the time, compared to my decade-old XBR2.

Yea but they do make big size monitors that are 40"+, they have 43", 49", and 55" monitors on Ebay from those Korean brands. You guys never heard of them? So I don't see a reason why to buy these SAmsung TVs over those Korean monitors?
 

Mad Maxx

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Buy whatever you want. The only one who can decide what's right for you is you.
 

Zarathustra[H]

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One can only hope television manufacturers someday realize that PC usage from the couch and using a TV as a monitor is a market they want to appeal to.

Screw the couch. I just want to maximize desktop real estate from standard desktop (~2.5ft?) distances!

Honestly, to me, PC use from the couch sounds like an awful experience. The fact that I have an ergonomically proper desk, an desk chair is one of the big pro's of my desktop, as compared to other computing solutions. I don't understand why anyone would game or do general PC use from the couch when a proper desk is so much better! :p

Shut the door to the office, get rid of all interruptions, and focus and do your thing, with perfect mechanical keyboard and mouse input, unencumbered by terrible wireless keyboards, touch pads and remotes.

That's my philosophy :p

If a 40+" 4k monitor existed, I would likely have oped for that, but short of buying off-brand Korean trash direct shipped or from shady importers, such a thing does not exist, so I went with the Samsung TV.
 

Zarathustra[H]

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Yea but they do make big size monitors that are 40"+, they have 43", 49", and 55" monitors on Ebay from those Korean brands. You guys never heard of them? So I don't see a reason why to buy these SAmsung TVs over those Korean monitors?

I'd never buy a high ticket item on eBay direct shipped form Asia.

When they have a large local presence, enough to create confidence in warranty coverage, and that I'm not buying garbage, I might look into them :p

Besides, everything I read about those Korean monitor eBay specials is that they use lower quality panels with many stuck/hot pixels.

The panel manufacturers bin their products. The ones that have the fewest stuck pixels, etc, go to the big international brands. The shitty ones with defects go cheaply to the off brand manufacturers.
 

jincuteguy

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Screw the couch. I just want to maximize desktop real estate from standard desktop (~2.5ft?) distances!

Honestly, to me, PC use from the couch sounds like an awful experience. The fact that I have an ergonomically proper desk, an desk chair is one of the big pro's of my desktop, as compared to other computing solutions. I don't understand why anyone would game or do general PC use from the couch when a proper desk is so much better! :p

Shut the door to the office, get rid of all interruptions, and focus and do your thing, with perfect mechanical keyboard and mouse input, unencumbered by terrible wireless keyboards, touch pads and remotes.

That's my philosophy :p

If a 40+" 4k monitor existed, I would likely have oped for that, but short of buying off-brand Korean trash direct shipped or from shady importers, such a thing does not exist, so I went with the Samsung TV.

Then I can tell you that you are totally wrong. There are many ppl that bought those Korean monitors and did their reviews. If they're all trash panels, then I wouldnt even recommend them here to you guys.
Like are you guys still in the basement or something? Like a lot of ppl who actually spent their own money and bought those Korean monitors and have been happy with them.

In fact, a brand named Microboard actually use a good panel (not a knock off or B grade quality panels) for their monitors but sell them a lot cheaper comapre to brand like LG.
 

Zarathustra[H]

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Then I can tell you that you are totally wrong. There are many ppl that bought those Korean monitors and did their reviews. If they're all trash panels, then I wouldnt even recommend them here to you guys.
Like are you guys still in the basement or something? Like a lot of ppl who actually spent their own money and bought those Korean monitors and have been happy with them.

In fact, a brand named Microboard actually use a good panel (not a knock off or B grade quality panels) for their monitors but sell them a lot cheaper comapre to brand like LG.

It may be. I haven't read any recent reviews, but I did read a bunch of reviews of the cheap-ish Korean 27" 1440p monitors that were popular a couple of years ago, and the conclusion was that they were pretty decent, but that you get what you pay for, and the panels were usually not from the top bin. Maybe things have changed since then?

That being said, I still feel like ordering a high ticket item from outside the country on eBay is a huge risk. What if something goes wrong? Even the best companies have problems on occasion. If they don't have a local presence to handle RMA's, etc. you are suddenly stuck trying to ship a HUGE monitor across the Pacific to literally the opposite side of the earth. It sounds like an expensive and time consuming activity, and generally just a huge risk.

Now if someone set up an Importer/Distributor in the U.S. to handle some of that risk, and take care of RMA activity, then I might look again.

And I don't get your basement reference. What does a basement have to do with not wanting to take a risk on off brand monitors on eBay? You are not making very much sense, and probably should try to keep your arguments on topic, and non-personal, especially when you know absolutely nothing about the people you are talking to :p
 

jmandawg

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Here's a fix from the big Samsung 4K thread. It worked for me and a lot of others.

Not a firmware issue but a Windows one: https://support.microsoft.com/en-us/kb/2625567/

To fix. In Regedit, go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\COntrol\Graphics Drivers\Configuration

Find the entries that starts with SIMULATED and your monitor string. If you don't know which one, change all of them. Go to the first subfolder 00, and find the keys: PrimSurfSize.cx and change to hex "f00," and PrimSurfSize.cy hex value "870." That should change the default monitor size to 3840 x 2160 which will no longer resize and move your windows to the upper left corner.

Thanks for the suggestion, but it didn't work :(
Oh well....
 

Nvidia_ATI

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My goal is to be able to game in 3D. I am looking for a TV setup that will allow me to play at 60fps with 4k resolution. Will the JS9000 or JS9500 suffice? Are there other TVs that will work as well? How do the OLED TVs from LG and other manufactures compare to the high end samsung 4k TVs?
 

Lateralus

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My goal is to be able to game in 3D. I am looking for a TV setup that will allow me to play at 60fps with 4k resolution.

I didn't think that was currently possible due to bandwidth limitations?

How do the OLED TVs from LG and other manufactures compare to the high end samsung 4k TVs?

Stunning picture, but they aren't perfect. I believe there are still some issues with motion processing and the LG OLEDs have high input lag. I'm hoping my JS9000 will do me over until OLEDs become more ideal for PC gaming.
 

Nenu

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The best TV Stereo (3D) res you can get is 1/2 4K per eye.
4K per eye doesnt exist for 2 reasons, lack of bandwidth over HDMI as pointed out and nobody makes them.

Then you need enough GPU power to drive it.
Even 1/2 4K per eye is an extreme res.
Although the new NVidia 10xx cards could give similar performance to 4K none stereo.
Older cards take a fair performance hit using stereo in many games.
 

garin

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A few ?s: are the following issues on these samsung tv options as a desktop monitor;
-ghosting
-burn in
-input lag; i know this one is bound to be higher than standard monitors but at what point do people feel it becomes unacceptable for use as a pc?
 

Zarathustra[H]

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A few ?s: are the following issues on these samsung tv options as a desktop monitor;
-ghosting
-burn in
-input lag; i know this one is bound to be higher than standard monitors but at what point do people feel it becomes unacceptable for use as a pc?


These have kind of been answered time and time again in the other megathread, but I guess I can go over them again:

-ghosting

I have never noticed any ghosting on my JS9000. I have heard that some of the lower end TV's have slightly more ghosting, but usually not perceptible, If you are very sensitive to ghosting, you'll probably want to consider one of the higher end models with the native 120hz panel. While the screens take at most a 60hz signal from the computer, the models with 120hz panels actually run in 120hz mode, and display the same frame twice in a row. This significantly reduces ghosting. Again, I have never seen any.

Be careful when it comes to refresh rate figures though. Samsung - like all other TV makers - use fake marketing refresh rates, so you have to know what you are looking for. You'll want a model that lists a "motion rate" of 240. This means it has a 120hz panel. If it says the "motion rate" is 120 it actually has a 60hz panel. They use these figures because they believe that the internal interpolating widgetry and other trickery increases the smoothness beyond what is evident from the actual refresh rate of the panel, but it's really just marketing bs.

There are too many part numbers for me to list them all here, and say which are 60hz and which are 120hz, but you should be able to find out by googling and looking at specs.



The manual DOES warn against burn in, but the consensus seems to be that this is really just a "cover your ass" statement from Samsung. I have yet to hear from anyone who has experienced any burn in on these screens. I guess it's not impossible if you REALLY abuse them, use max brightness on a fixed screen for a REALLY long time, but again, I've never heard of it happening.

These TV's are PVA panels, just like many computer monitors, not plasma :p

-input lag;

Depends on how sensitive you are to it. I've never bought a screen with input lag in mind. That being said, this is the third flat panel I've used as a main screen on my main rig (the only one I play games on) since flat panels came out (first was a 24" Dell 2405fpw, second was a 30" Dell U3011) and in game mode it has the lowest input lag of these screens.

The only downside here is that in game mode you are in 4:2:2 chroma instead of 4:4:4 chroma in PC mode(read more about chroma subsampling here)

Personally I use game mode in games, and PC Mode when doing desktop stuff.

I have yet to play a game where I have seen any difference in quality between game mode and PC Mode (it's mostly noticable in small colorful text on colorful backgrounds) but some people do (though I wonder if it is placebo effect), so I am very happy with game mode in games. Working on the desktop - however - I do notice the difference, and it bothers me, so I switch to desktop mode.

PC mode comes with the full 4:4:4 chroma, and has a higher input lag. Playing FPS games it instantly feels off to me (though I apparently didn't notice it once after a few beers when I started playing). In slower paced games (Live Civilization V), I don't notice it at all, and just leave it in PC mode. Again, there is a difference from person to person here. Some people do all their gaming in PC Mode because they can't tell the difference.

So I guess, I am more sensitive to input lag and less sensitive to chroma level than some people. Either way, I think it is a fantastic screen.
 

Nvidia_ATI

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I didn't think that was currently possible due to bandwidth limitations?



Stunning picture, but they aren't perfect. I believe there are still some issues with motion processing and the LG OLEDs have high input lag. I'm hoping my JS9000 will do me over until OLEDs become more ideal for PC gaming.

I appreciate your comments. I am going to use the TV primarily for gaming (I have a pair of U3014s for desktop work) so low input lag is an important factor to consider. Moreover, I also read that 3D on an OLED panel is implemented via interlacing with each eye getting either odd or even interlaced lines. This can create undesirable dark lines a little similar to the awful pixel inversion in the ASUS ROG Swift.
 

Nvidia_ATI

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The best TV Stereo (3D) res you can get is 1/2 4K per eye.
4K per eye doesnt exist for 2 reasons, lack of bandwidth over HDMI as pointed out and nobody makes them.

Then you need enough GPU power to drive it.
Even 1/2 4K per eye is an extreme res.
Although the new NVidia 10xx cards could give similar performance to 4K none stereo.
Older cards take a fair performance hit using stereo in many games.

Many thanks for your comments. I can live with 1/2 4K per eye since it is still much better than 1080p. So will the JS9000 do 1/2 4K per eye with an effective refresh rate of 60Hz? I would like to game in 3D but do not want to play with an effective refresh rate of 30Hz which will have poor motion quality.
 

Nenu

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I'll leave answering that to those that own the TVs or know plenty of specifics.

I'll pass on some information on how it is possible.

If interlaced stereo is used, this will use all odd lines across the screen for one eye and all even lines across the screen for the other eye.
This uses the polarised type glasses. They are passive, very light and do not use batteries.
All odd lines will be polarised one way, even lines polarised the other.
The screen can run at 60Hz and display the images for both eyes simultaneously so both eyes see a simultaneous 60Hz flicker free image.
However, I dont think there are any passive stereo 4K Samsungs. Could be wrong.

The other method requires a 120Hz capable screen to display stereo 60Hz per eye.
It would still be within the confines of HDMI 2.0 bandwidth because each eye only sees 1/2 res.
A 4K 60Hz signal is all that is needed, containing the images for both eyes. Only one eyes image would be on the screen at a time for 1/120 second each eye.
The upper range Samsung TVs can do 120Hz image interpolation.
Therefore the screens are capable of 120Hz stereo as long as they permit 60Hz per eye and use 120Hz switched glasses.


I have read about someone seeing 4K 1/2 res passive and being over awed with it.
I cant remember what TV it was.
Hopefully the Samsungs let one of the above methods work.
 

no7hing

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I've got myself a Samsung UE40JU6550 (which is the 6700 in the US I guess) last week and set it up according to this guide (thanks btw! :)). Now my problem is that it's got a red cast which shows itself especially in grey areas. I've checkout out the calibration guide at rtings (Samsung JU6700 LED TV Calibration Settings) but the 10 point whitepoint option is apparently disabled in PC mode. Does it make any sense to try and adjust it with the 2 point setting, should I just buy a spyder & calibrate it with that one or should I calibrate it via the Nvidia settings? Are there ICC profiles available for this or other Samsung TV's?

Also how do your Samsung TV's look in the left/right 25% of the display? When sitting 2.5 feet away i notice slight color shifts that go away when increasing the viewing distance to 4-5 feet. Is that normal VA panel behaviour? Is that better or worse on curved displays vs normal ones?
 

Etherton

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What is the current flagship 48-55", preferably 50", non-curved (don't need it unless the price makes no difference) Samsung 4k? And, do you think the system in my signature will handle it? Thanks!
 
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